添加初始化和销毁对象的函数

TinySTL/Construct.h

@@ -0,0 +1,38 @@
+#ifndef _CONSTRUCT_H_
+#define _CONSTRUCT_H_
+
+#include <new>
+
+#include "TypeTraits.h"
+
+namespace TinySTL{
+
+	template<class T1, class T2>
+	inline void construct(T1 *ptr1, const T2& value){
+		new(ptr1) T1(value);
+	}
+
+	template<class T>
+	inline void destroy(T *ptr){
+		ptr->~T();
+	}
+
+	template<class ForwardIterator>
+	inline void _destroy(ForwardIterator first, ForwardIterator last, _true_type){}
+
+	template<class ForwardIterator>
+	inline void _destroy(ForwardIterator first, ForwardIterator last, _false_type){
+		for (; , first != last; ++first){
+			destroy(&*first);
+		}
+	}
+
+	template<class ForwardIterator>
+	inline void destroy(ForwardIterator first, ForwardIterator last){
+		typedef typename _type_traits<T>::is_POD_type is_POD_type;
+		_destroy(first, last, is_POD_type);
+	}
+
+}
+
+#endif

TinySTL/TinySTL.vcxproj

@@ -79,6 +79,7 @@
     <ClCompile Include="main.cpp" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="Construct.h" />
     <ClInclude Include="TypeTraits.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

TinySTL/TinySTL.vcxproj.filters

@@ -23,5 +23,8 @@
     <ClInclude Include="TypeTraits.h">
       <Filter>头文件</Filter>
     </ClInclude>
+    <ClInclude Include="Construct.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

TinySTL/main.cpp

@@ -1,5 +1,7 @@
 #include <iostream>
 
+#include "Construct.h"
+
 using namespace std;
 
 int main(){